Home / 709,829.25-979,414.66-451,612.95

Finding the Fourth Proportional to 709,829.25, 979,414.66 and 451,612.95

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Solution

The fourth proportional to 709,829.25, 979,414.66 and 451,612.95 is: 623,130.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,829.25 : 979,414.66 = 451,612.95 : x
  2. Step 2: Convert to fraction form
    709,829.25/979,414.66 = 451,612.95/x
  3. Step 3: Cross multiply
    709,829.25x = 979,414.66 × 451,612.95
  4. Step 4: Simplify right side
    709,829.25x = 442,316,336,720.71
  5. Step 5: Solve for x
    x = 442,316,336,720.71/709,829.25
  6. Step 6: Final answer
    x = 623,130.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.